Note 8 - Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Amortization of intangible assets	$ 479	$ 1,136
Research and Development Expense [Member]
Amortization of intangible assets	479	266
Amortization of Acquired Intangible Assets [Member]
Amortization of intangible assets	$ 0	$ 870